Oh, it's the heat from the road, not the sun.  Now it makes more sense.
Edward

At 04:11 PM 3/20/2006, you wrote:
I bought a replacement tank that was painted gray.  I started to paint it
>black but had second thoughts and checked with the local large purveyor of
>propane and propane accessories and was told that they would not fill it if
>I painted it black.  Afraid of the dark absorbing too much heat from the
>road.  I didn't argue or pursue it further.  Mine's now white.
>
>Tom Salicos
>'87 Syncro Westy EG_33